When the UpdateLocationInterface parameter is set to SWx, Radiator must include Service-Assignment-Type Diameter attribute with the registration type. The default for SWx is REGISTRATION which registers the IMSI with the HSS. AAA_USER_DATA_REQUEST requests the profile from the HSS without registration. Note that the HSS may not allow a profile query without an active registration.

Both text and numeric values are allowed, for example 1 for REGISTRATION and 12 for AAA_USER_DATA_REQUEST.

# The HSS allows querying profile information
# without registration.
SWxSARType AAA_USER_DATA_REQUEST